Product Overview

Siemens 6ES7650-8PC00-0AA0 is an ET 200PA SMART I/O bus module for holding two 40 mm-wide I/O modules. Siemens system documentation identifies the exact 0AA0 model as the Bus Module 2 x 40 used in active backplane assemblies that support insertion and removal during operation. The unit forms part of the mechanical and electrical station structure rather than providing process I/O channels itself.

Commercial Status

Verified Technical Data

System Fit and Applications

This bus module is used to construct ET 200PA SMART distributed I/O stations that require active backplane connections and controlled module replacement during operation. It supports two adjacent 40 mm I/O modules within the station rail architecture.

Application Boundaries

The 0AA0 suffix must not be confused with the 1AA0 conformal-coated variant or with PS/IM and IM/IM bus modules. Compatibility depends on the ET 200PA SMART rail, station sequence, module width, covers and environmental design.

Compatibility and Procurement Checks

• Match the complete order number 6ES7650-8PC00-0AA0.
• Confirm the station is ET 200PA SMART and requires the I/O-to-I/O Bus Module 2 x 40.
• Verify two 40 mm I/O-module positions and the planned station sequence.
• Check whether the standard 0AA0 or conformal-coated 1AA0 variant is required.
• Confirm mounting rail, backplane-bus covers, end cover and module-replacement engineering.

Lifecycle Note

Frequently Asked Questions